Compositions and methods for buffered growing media

Patent No. 8,617,280

Issued: December 31, 2013
Filed: August 13, 2010
Term Extension: 249 days

Inventor: Brinton, Jr.; William F. (Mount Vernon, ME)
Assignee: Woods End Laboratories, Inc. (Mount Vernon, MA)


Techniques and tools reduce pH drift downward in growth media triggered by plant growth or ammoniated fertilizers. Methods and compositions provide growing media with buffering potential to prevent pH drifts in the growing media. A compost composition has a buffering potential against pH changes. A carbonate index test provides information on a buffering potential of a compost composition. A growing medium includes a compost composition with a buffering potential to provide a stable pH that is conducive to plant growth in the growing medium.


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